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11 Commits

Author SHA1 Message Date
Clement Courbet
260955c1df [llvm-exegesis] Finish plumbing the Config field.
Summary:
Right now there are no snippet generators that emit the `Config` Field,
but I plan to add it to investigate LEA operands for PR32326.

What was broken was:
 - `Config` Was not propagated up until the BenchmarkResult::Key.
 - Clustering should really consider different configs as measuring
 different things, so we should stabilize on (Opcode, Config) instead of
 just Opcode.

Reviewers: gchatelet

Subscribers: tschuett, llvm-commits, lebedev.ri

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68629

llvm-svn: 374031
2019-10-08 09:06:48 +00:00
Chandler Carruth
ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00
Clement Courbet
04be13e74e Revert "[llvm-exegesis] Add a snippet generator to generate snippets to compute ROB sizes."
This reverts accidental commit rL346394.

llvm-svn: 346398
2018-11-08 12:09:45 +00:00
Clement Courbet
25b7a25203 [llvm-exegesis] Add a snippet generator to generate snippets to compute ROB sizes.
llvm-svn: 346394
2018-11-08 11:45:14 +00:00
Fangrui Song
edf37d23b8 [llvm-exegesis] Move namespace exegesis inside llvm::
Summary:
This allows simplifying references of llvm::foo with foo when the needs
come in the future.

Reviewers: courbet, gchatelet

Reviewed By: gchatelet

Subscribers: javed.absar, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D53455

llvm-svn: 344922
2018-10-22 17:10:47 +00:00
Guillaume Chatelet
b129eee8b8 [llvm-exegesis][NFC] moving code around.
Summary: Renaming InstructionBuilder into InstructionTemplate and moving code generation tools from MCInstrDescView to CodeTemplate.

Reviewers: courbet

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52592

llvm-svn: 343188
2018-09-27 09:23:04 +00:00
Clement Courbet
0301f9855d [llvm-exegesis] Allow benchmarking arbitrary code snippets.
Summary:

This is a step towards fixing PR38048.

Note that right now the measurements are given per instruction. We'll
need to give measurements a per code snippet and update the analysis (PR38731).

Reviewers: gchatelet

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52041

llvm-svn: 342947
2018-09-25 07:31:44 +00:00
Guillaume Chatelet
1303cd31cb [llvm-exegesis] Improve Register Setup (roll forward of D51856).
Summary:
Added function to set a register to a particular value + tests.
Add EFLAGS test, use new setRegTo instead of setRegToConstant.

Reviewers: courbet, javed.absar

Subscribers: llvm-commits, tschuett, mgorny

Differential Revision: https://reviews.llvm.org/D52297

llvm-svn: 342644
2018-09-20 12:22:18 +00:00
Simon Pilgrim
5064dc23e2 Revert rL342466: [llvm-exegesis] Improve Register Setup.
rL342465 is breaking the MSVC buildbots, but I need to revert this dependent revision as well.

Summary:
Added function to set a register to a particular value + tests.
Add EFLAGS test, use new setRegTo instead of setRegToConstant.

Reviewers: courbet, javed.absar

Subscribers: mgorny, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D51856

llvm-svn: 342489
2018-09-18 15:35:49 +00:00
Guillaume Chatelet
52b299b2e1 [llvm-exegesis] Improve Register Setup.
Summary:
Added function to set a register to a particular value + tests.
Add EFLAGS test, use new setRegTo instead of setRegToConstant.

Reviewers: courbet, javed.absar

Subscribers: mgorny, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D51856

llvm-svn: 342466
2018-09-18 11:26:48 +00:00
Clement Courbet
1931b181a5 [llvm-exegesis][NFC] Split BenchmarkRunner class
Summary:
The snippet-generation part goes to the SnippetGenerator class.

This will allow benchmarking arbitrary code (see PR38437).

Reviewers: gchatelet

Subscribers: mgorny, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D51979

llvm-svn: 342117
2018-09-13 07:40:53 +00:00